Curcumin, a natural compound, is the most active agent of the polyphenolic curcuminoids derived from the root of turmeric (Curcuma longa). It is a tautomeric compound existing in organic solvents as its enolic form, and in water as a keto form.

Traditionally, turmeric, as a member of the ginger family, has been widely used as an herbal medicine, ingredient of cosmetics, and dietary supplement (food flavoring and coloring). In addition to a dietary ingredient, turmeric is also prescribed abundantly for ailments in traditional medicine.

Turmeric, as a member of the ginger family, has been widely used as an herbal medicine, ingredient of cosmetics, and dietary supplement.